timer_queue.py 文件源码

def get_expired_timers(self):
        ''' Get a list of expired timers.

        :returns: a list of ``Timer``, empty list if there is no expired
            timers.
        :rtype: ``list``
        '''

        next_expired_time = 0
        now = time()
        expired_timers = []
        for timer in self._timers:
            if timer.when <= now:
                expired_timers.append(timer)

        if expired_timers:
            del self._timers[:len(expired_timers)]

        if self._timers:
            next_expired_time = self._timers[0].when
        return (next_expired_time, expired_timers)